That is a tough one IKIC, on one hand you paid good money for a pair of boots so you would think they would last. Most of me wants to saw send them back for repairs. But a part of me sees how they word their warranty and gives me the feeling they will not do anything. On the other hand, you paid good money and they have started to fall a part after 7 months, so I would say wear them till they fall off and find another quality brand that may or may not last longer.
I am currently running the Crispi Valdres SE Plus for my early season hunting boot and the Kenetrek Mountains for later season. I replaced the insoles with Lathrop & Sons on both boots and find them both extremely comfortable. I have only owned the Crispis for a few months and they held up well during archery cow and deer season. The Kenetreks I have been running for a couple of seasons now. The only negative comment I could say about those is the rand has separated around the toes on both boots. This was the first year I have cleaned and Sno Sealed them, so I think they will make it a little longer.
Good luck on your decision, pretty sure I was unable to help!!! LOL